<template>
  <div>
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item label="一级分类">
        <el-select placeholder="请选择" v-model="cForm.category1Id" @change="handler1()" :disabled="!show">
          <el-option :label="c1.name" :value="c1.id" v-for="(c1, index) in list1" :key="c1.id"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="二级分类">
        <el-select placeholder="请选择" v-model="cForm.category2Id" @change="handler2()" :disabled="!show">
          <el-option :label="c2.name" :value="c2.id" v-for="(c2, index) in list2" :key="c2.id"></el-option>

        </el-select>
      </el-form-item>
      <el-form-item label="三级分类">
        <el-select placeholder="请选择" v-model="cForm.category3Id" @change="handler3()" :disabled="!show">
          <el-option :label="c3.name" :value="c3.id" v-for="(c3, index) in list3" :key="c3.id"></el-option>

        </el-select>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  name: "CategorySelect",
  props: ['show'],
  data() {
    return {
      list1: [],
      list2: [],
      list3: [],
      cForm: {
        category1Id: '',
        category2Id: '',
        category3Id: '',
      }
    }
  },
  methods: {
    async getCategory1List() {
      let result = await this.$API.attr.reqCategory1List();
      if (result.code == 200) {
        this.list1 = result.data
      }
    },
    async handler1() {
      this.list2 = this.list3 = []
      this.cForm.category2Id = ''
      this.cForm.category3Id = ''
      this.$emit('getcategoryId', { categoryId: this.cForm.category1Id, level: 1 })
      const { category1Id } = this.cForm
      let result = await this.$API.attr.reqCategory2List(category1Id);
      if (result.code == 200) {
        this.list2 = result.data
      }

    },
    async handler2() {
      this.list3 = []
      this.cForm.category3Id = ''

      this.$emit('getcategoryId', { categoryId: this.cForm.category2Id, level: 2 })
      const { category2Id } = this.cForm
      let result = await this.$API.attr.reqCategory3List(category2Id);
      if (result.code == 200) {
        this.list3 = result.data
      }

    },
    async handler3() {

      this.$emit('getcategoryId', { categoryId: this.cForm.category3Id, level: 3 })
    }
  },
  mounted() {
    this.getCategory1List();
  }
}
</script>


<style scoped></style>